( TOP Side)      ( Bottom Side)

General information

• 45x55mm
• ESP32 S3 Wroom Module
  
  • 3.3v bus powered power supply, can be easily disabled with a remove of a jumper resistor
• Serial to USB Chip (CH340) onboard, Arduino compatible
     can be easily disabled with a remove of a jumper resistor
• KNX BCU - Bus coupling unit onboard (NCN5130)
  • Allows bus Current Consumption up to 40mA
• 2 LED's (green & red) and 1 Button onboard
• Breakout of all other available pins of the ESP32 module
  
  

Board Pinout

Schematics

Setup Arduino Enviroment and find some progamming samples

https://r-tec.rohrhofer.org/index.php/esp32-knx/esp32-knx-arduino-sample-codes

Additional downloads

https://r-tec.rohrhofer.org/index.php/downloads/category/25-esp-knx